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Introduction to SQL

Introduction to SQL
Which of the following do you need to consider when you make a table in SQL?

Data types
Default values
Primary keys
All of these

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Introduction to SQL
The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total.

False
True

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Introduction to SQL
A SELECT statement within another SELECT statement and enclosed in square brackets ([...]) is called a subquery.

True
False

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Introduction to SQL
The rows of the result relation produced by a SELECT statement can be sorted, but only by one column.

False
True

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Introduction to SQL
DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement.

True
False

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Introduction to SQL
Which SQL statement is used to delete data FROM a database?

COLLAPSE
DELETE
ALTER
REMOVE

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